clinton has cheered levinson's family members and colleagues who have never given up their efforts to find him. levinson, a retired fbi veteran, was in iran when he disappeared in '07 while working a job as a private investigator. his case received a lot of attention, enough so that we asked mahmoud ahmadinejad about it on our last visit to iran in '08. the news today from secretary clinton, not only is he believed to be alive, but he's apparently being held somewhere in southwest asia. in a statement his family said they are tremendously encouraged by the news that bob is alive, but, quote, they remain concerned for his safety and well-being. a high ranking visitor at the white house today. the president of mexico, a critical relationship for the u.s., one of cooperation and tension all focused on the brutal drug war. jose diaz-balart of tell mundo tells us what happened at washington at to day's gathering. >> reporter: brian, interesting conversations here between president obama and his mexican counterpart. president calderon said something i haven't heard mexican presidents say in the past, that parts of the u.s.